๐”– Bobbio Scriptorium
โœฆ   LIBER   โœฆ

Threshold phenomena in the excitation spectrum of liquid4He

โœ Scribed by L. P. Pitaevskii


Publisher
Springer US
Year
1992
Tongue
English
Weight
286 KB
Volume
87
Category
Article
ISSN
0022-2291

No coin nor oath required. For personal study only.

โœฆ Synopsis


The elementary theory of threshold phenomena in the excitation spectrum of superfluid 4He is presented. The multiphonon threshold in the initial part of the spectrum and the two-roton threshold at energy 2A are discussed.


๐Ÿ“œ SIMILAR VOLUMES


Excitations in liquid4He beyond the roto
โœ B. Fรฅk; L. P. Regnault; J. Bossy ๐Ÿ“‚ Article ๐Ÿ“… 1992 ๐Ÿ› Springer US ๐ŸŒ English โš– 577 KB
Temperature variation of the elementary
โœ Chung-In Um; Eui-Soon Yim; Thomas F. George ๐Ÿ“‚ Article ๐Ÿ“… 1995 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 732 KB

Adopting the separability assumption in conjunction with the hypernetted-chain approximation and the minimum principle of Helmholtz free energy based on the trial density matrix expressed in terms of Jastrow-type wave functions, a set of coupled Euler-Lagrange equations are obtained for the radial d

Threshold electron-impact excitation spe
โœ E.H. van Veen; F.L. Plantenga ๐Ÿ“‚ Article ๐Ÿ“… 1975 ๐Ÿ› Elsevier Science ๐ŸŒ English โš– 409 KB

The electronic excitation ipectrum of pyridine has been investigated in a 1okenerg-y elechon-impact experiment. Assignments are suggksted for tie observed excitation processes. introduction 2. Experklental